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TB6078FUG 2008-05-23 1 toshiba bi-cmos linear integrated circuit silicon monolithic TB6078FUG shock sensor ic TB6078FUG detects ? shock? thro ugh the external shock sensor and output low-level signal at 7 pin. it has so excellent characteristic in low noise, and is suitable for application of mechanical control systems of hdd. features ? single power supply: 2.7 v to 5.5 v single power supply operation ? two operatinal-amplifier is built in for design flexibility. it is possible to adjust frequency characteristic and gain by changing external devices ? super small package: ssop8-p-0.65 (0.65 mm pitch) block diagram note: some of the functional blocks, circuits, or constants in the block di agram may be omitted or simplified for explanatory purpose. ssop8-p-0.65 weight: 0.02 g (typ.)
TB6078FUG 2008-05-23 2 pin function pin no. pin name function 1 a1ip op-amp1 non-inverting input 2 a1im op-amp1 inverting input 3 ref reference voltage output 4 gnd ground 5 a2o op-amp2 output 6 a2im op-amp2 inverting input 7 a1o op-amp1 output 8 vcc power supply voltage pin connection (top view) (marking example) a1ip a1im 8 7 6 5 1 2 3 4 ref gnd vcc a1o a2im a2o 6 0 7 8 g 5 j
TB6078FUG 2008-05-23 3 absolute maximum ratings (ta = 25c) characteristics symbol rating unit power supply voltage av cc 6 v input voltage v in ?0.3 to v cc +0.3 v output voltage v out ?0.3 to v cc +0.3 v power dissipation p d 250 mw storage temperature t stg ? 55 to 125 c note: the absolute maximum ratings of a semiconductor device are a set of ratings that must not be exceeded, even for a moment. do not exceed any of these ratings. exceeding the rating(s) may cause device breakdown, damage or deterioration, and may result injury by explosion or combustion. operating condition characteristics symbol rating unit power supply voltage v cc 2.7 to 5.5 v operating temperature t opr ? 25 to 85 c note: the ic may be destroyed due to short circuit between adjacent pins, incorrect orient ation of device?s mounting, connecting positive and negative power supply pins wro ng way round, air contamination fault, or fault by improper grounding.
TB6078FUG 2008-05-23 4 electrical characteristics --- guaranteed data (unless otherwise specified, v cc = 3.3 v, ta = 25c) characteristics symbol test circuit test condition min typ. max unit v cc = 3.3 v ? 2.1 3.6 supply current i cc (1) v cc = 5.0 v ? 2.2 3.9 ma op-amp characteristics (op-amp1) characteristics symbol test circuit test condition min typ. max unit output dc voltage v dc1 (2) no input signal 1.50 1.60 1.70 v output load change (source) v source1 (3) v when the source current is changed from 0 to 0.5 ma ?100 ? ? mv output load change (sink) v sink1 (4) v when the sink current is changed from 0 to 80 a ? ? 100 mv (op-amp2) characteristics symbol test circuit test condition min typ. max unit input current i in (5) ? ?50 ? 50 na output dc voltage v dc2 (6) ? 1.57 1.65 1.73 v output voltage range (low side) v ol2 (7) ? ? ? 0.3 v output voltage range (high side) v oh2 (8) ? v cc ?0.3 ? ? v output source current ia so2 (9) voh = v cc ? 0.3 v 80 180 ? a output sink current ia si2 (10) vol = 0.3 v 0.5 1.8 ? ma (op-amp3) characteristics symbol test circuit test condition min typ. max unit reference voltage v ref (11) ? 1.60 1.65 1.70 v output load change (source) v source3 (12) vref when the source current is changed from 0 to 100 a ?100 ? ? mv output load change (sink) v sink3 (13) vref when the sink current is changed from 0 to 70 a ? ? 100 mv
TB6078FUG 2008-05-23 5 electrical characteristics--- refere nce data for application (note) (op-amp1) characteristics symbol test circuit test condition min typ. max unit input bias voltage v in (14) no input signal 1.32 1.46 1.64 v input impedance z in (15) ? ? 60 ? m offset voltage v off1 (16) no input signal ? 200 ? 200 mv gbw (cut-off frequency) f t1 (17) ? ? 5.5 ? mhz (op-amp2) characteristics symbol test circuit test condition min typ. max unit gbw (cut-off frequency) f t2 (18) ? ? 2.3 ? mhz offset voltage v off2 (19) ? ?20 ? 20 mv note: the ?reference data for application? shown in this document are provided for reference purposes only. especially, thorough evaluation is requir ed on the phase of mass production design.
TB6078FUG 2008-05-23 6 test circui t (1) supply current: i cc (2) op-amp1 output dc voltage (3) op-amp1 output load change (source) (4) op-amp1 output load change (sink) (5) op-amp2 input current (6 ) op-amp2 output dc voltage vcc 3.3v 5.0v 875k 1 7 2 4 6 5 8 3 + - vcc vcc gnd + - + - 0.1f 220f a op2 op3 op1 220f 5k 51pf 1.1f 570f vm vcc 3.3v 875k 1 7 2 4 6 5 8 3 + - vcc vcc gnd + - + - 0.1f 220f op2 op3 op1 220f 5k 51pf 1.1f 570f 1 7 2 4 6 5 8 3 + - vcc gnd + - + - op2 op3 op1 0.1f k vcc 3.3v 80a 570f vm 220f 220f 1 7 2 4 6 5 8 3 + - vcc vcc gnd + - + - op2 op3 op1 vm 0.1f vcc 3.3v
TB6078FUG 2008-05-23 7 (7) op-amp2 output voltage range (l side) (8) op-amp2 output voltage range (h side) (9) op-amp2 output source current (10) op-amp2 output sink current (11) op-amp3 reference voltage (1/2vcc) ( 12) op-amp3 output load change (source) 1 7 2 4 6 5 8 3 + - vcc vcc gnd + - + - op2 op3 op1 vm 0.1f 1.95v vcc 3.3v 0.3v 1 7 2 4 6 5 8 3 + - vcc vcc gnd + - + - op2 op3 op1 a 0.1f 1.95v vcc 3.3v 1 7 2 4 6 5 8 3 + - vcc vcc gnd + - + - 0.1f vm vcc 3.3v 1k
TB6078FUG 2008-05-23 8 (13) op-amp3 output load change (sink) (14) op-amp1 input bias voltage (16) op-amp1 output offset voltage (17) op-amp1 gbw (cut-off frequency) 1 7 2 4 6 5 8 3 + - vcc vcc gnd + - + - +70a vcc 3.3v 1k vm vm vcc 3.3v 875k 1 7 2 4 6 5 8 3 + - vcc vcc gnd + - + - 0.1f 220f op2 op3 op1 220f 5k 51pf 1.1f 570f vcc 3.3v 1 7 2 4 6 5 8 3 + - vcc vcc gnd + - + - 0.1f 220f op2 op3 op1 220f 1100f network analyzer 1100f 1 khz control the input so that pin 7 will have an amplitude of 100 mvp-p. (15) op-amp1 input impedance measure the frequency at which the gain decreased by 3 db. 1 khz control the input so that pin 7 will have an amplitude of 100 mvp-p. (15) op-amp1 input impedance measure the frequency at which the gain decreased by 3 db. 1 khz control the input so that pin 7 will have an amplitude of 100 mvp-p.
TB6078FUG 2008-05-23 9 note: components in the test circuits are only used to obtain and confirm the device characteristics. these components and circuits do not warrant to prevent the app lication from malfunction from malfunction or failure. (18) op-amp2 gbw (cut-off frequency) (19) op-amp2 output offset voltage vcc 3.3v 1 7 2 4 6 5 8 3 + - vcc vcc gnd + - + - 0.1f op2 op3 op1 network analyzer 1k 10k 51pf 1.1f network analyzer
TB6078FUG 2008-05-23 10 package dimensions ssop8-p-0.65 unit: mm
TB6078FUG 2008-05-23 11 restrictions on product use 20070701-en general ? the information contained herein is subject to change without notice. ? toshiba is continually working to improve the quality and reliability of its products. nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity a nd vulnerability to physical stress. it is the responsibility of the buyer, when utilizing toshiba produc ts, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such toshiba products could cause loss of human life, bodily injury or damage to property. in developing your designs, please ensure that toshiba products are used within specified operating ranges as set forth in the most recent toshib a products specifications. also, please keep in mind the precautions and conditions set forth in the ?handling guide for semiconduct or devices,? or ?toshiba semiconductor reliability handbook? etc. ? the toshiba products listed in this document are in tended for usage in general electronics applications (computer, personal equipment, office equipment, measuri ng equipment, industrial robotics, domestic appliances, etc.).these toshiba products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfuncti on or failure of which may cause loss of human life or bodily injury (?unintended usage?). unintended usage incl ude atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, et c.. unintended usage of toshiba products listed in his document shall be made at the customer?s own risk. ? the products described in this document shall not be used or embedded to any downstream products of which manufacture, use and/or sale are prohibited under any applicable laws and regulations. ? the information contained herein is presented only as a guide for the applications of our products. no responsibility is assumed by toshiba for any infringement s of patents or other rights of the third parties which may result from its use. no license is granted by implic ation or otherwise under any patents or other rights of toshiba or the third parties. ? please contact your sales representative for product- by-product details in this document regarding rohs compatibility. please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations. about solderability, following conditions were confirmed *solderability (1)use of sn-37pb solder bath *solder bath temperature = 230oc *dipping time = 5 seconds *the number of times = once *use of r-type flux (2)use of sn-3.0ag-0 .5cu solder bath *solder bath temperature = 245oc *dipping time = 5 seconds *the number of times = once *use of r-type flux

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